Invasive and potential invasive species of vascular plants of Siberia in the UUH herbarium (Ulan-Ude)

The herbarium of the Institute of General and Experimental Biology of the Siberian Branch of the Russian Academy of Sciences (UUH) (Ulan-Ude) represents 48.6% of the total number of invasive and potentially invasive species of Siberia and is represented by 72 species from 61 genera and 28 families (433 sheets). The leading family groups in the spectrum are Asteraceae (18 species), Brassicaceae, Fabaceae (8 species each), Poaceae (6 species), and Rosaceae (4 species). According to the invasive status, the herbarium contains 6 transforming species (Acer negundo L., Echinocystis lobata (Michx.) Torr. et A. Gray, Elodea canadensis Michx., Hordeum jubatum L., Medicago varia Martyn, Melilotus albus Medikus) and 5 potentially invasive species (Cuscuta europaea L., Elymus trachycaulus (Link) Gould et Shinners, Hesperis pycnotricha Borbrs et Degen, Solidago gigantea Aiton, Symphytum caucasicum M. Bieb.). The geography, ecology and chronology of the presented plants are considered.